I don't collect, but I might start. My kids have tons. I grabbed a sweet 240Z tonight, really nicely detailed.
Check your grocery store too. I know around here, Wegmans and Weis do a better job of stocking Matchbox than nearly all the big box stores.
Weis In fact has the Ghia and Lotus Europa. And the pink Cadillac I hope is still there tomorrow when I swing by before work.
I'm also seeing that there's some cool new stuff in the remaining 2019 and early 2020 pipeline... GT3, WRX STI, Chiron, Vulcan, Alpine A110...